Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A computing device comprising: one or more antennas configured to provide wireless communication functionality; one or more hardware elements configured to implement a specific absorption rate manager module operable to: instantiate a SAR mitigation algorithm for a host device that is dependent upon user presence indications and arrangement of an accessory device connectable to the computing device relative to the computing device; ascertain indications of user presence with respect to the one or more antennas; detect the arrangement of the accessory device relative to the computing device; and apply the SAR mitigation algorithm to control radio frequency transmissions for the one or more antennas of the computing device according the ascertained user presence indications and the detected arrangement of the accessory device, including referencing a mapping data structure to determine antenna operational parameters associated with the arrangement that is detected.
This invention relates to computing devices with wireless communication capabilities, specifically addressing the challenge of managing specific absorption rate (SAR) compliance when accessories are connected. SAR refers to the rate at which radio frequency (RF) energy is absorbed by the human body, and regulatory limits must be adhered to for safety. The problem arises when accessories, such as cases or covers, are attached to a computing device, potentially altering RF transmission characteristics and affecting SAR compliance. The computing device includes antennas for wireless communication and hardware elements that implement a specific absorption rate (SAR) manager module. This module runs a SAR mitigation algorithm tailored to the host device, which adjusts based on user presence and the arrangement of an attached accessory. The system detects whether a user is near the antennas and identifies how the accessory is positioned relative to the device. Using this information, the algorithm controls RF transmissions to ensure compliance with SAR limits. A mapping data structure is referenced to determine optimal antenna operational parameters for the detected accessory arrangement, dynamically adjusting power levels, transmission directions, or other settings as needed. This approach ensures safe and compliant RF operation regardless of accessory configuration or user proximity.
2. The computing device as described in claim 1 , further comprising: one or more user presence detectors operable to ascertain the indications of user presence; and one or more accessory detectors to detect the arrangement of the accessory device relative to the computing device.
A computing device includes a display screen and a housing with a front surface and a rear surface. The device is configured to detect user presence and the arrangement of an accessory device relative to the computing device. One or more user presence detectors determine whether a user is present, such as through proximity sensors, cameras, or other detection methods. Additionally, one or more accessory detectors identify the position and orientation of an accessory device, such as a keyboard, stand, or case, relative to the computing device. These detectors may use sensors, connectors, or other mechanisms to ascertain the accessory's arrangement. The computing device adjusts its operation based on the detected user presence and accessory configuration, such as enabling or disabling features, modifying display settings, or activating specific functions. This ensures optimal performance and user experience by dynamically responding to environmental and accessory conditions. The system enhances usability by automatically adapting to different usage scenarios, such as when the device is in a docked state, being carried, or placed in a specific orientation. The detectors provide real-time feedback to the computing device, allowing it to make context-aware adjustments without manual intervention. This improves efficiency and convenience for the user.
3. The computing device as described in claim 1 , wherein the arrangement encompasses a location of a connection for the accessory device and an orientation of the accessory device relative to the computing device.
A computing device is configured to manage the physical arrangement of an accessory device, including both the location of the connection point and the orientation of the accessory device relative to the computing device. The system determines the spatial relationship between the computing device and the accessory device, ensuring proper alignment and positioning for optimal functionality. This includes detecting the exact position where the accessory device connects to the computing device and the angular orientation of the accessory device relative to the computing device. The arrangement is dynamically adjusted or verified to maintain correct positioning, which may involve mechanical or software-based adjustments. This solution addresses challenges in ensuring consistent and reliable accessory connectivity, particularly in scenarios where precise alignment is critical for performance, such as in high-precision applications or when multiple accessories are involved. The system may use sensors, mechanical guides, or software algorithms to monitor and adjust the arrangement, ensuring seamless integration and operation between the computing device and the accessory.
4. The computing device described in claim 1 , wherein application of the specific absorption rate (SAR) mitigation algorithm comprises applying one or more control actions to mitigate potential for exceeding legal SAR limits for antennas identified as being SAR emission contributors based on the ascertained user presence indications and the detected arrangement of the accessory device.
This invention relates to mobile computing devices and addresses the problem of managing radio frequency (RF) emissions to comply with regulatory limits, specifically Specific Absorption Rate (SAR) limits. The system involves a computing device that can detect the presence and arrangement of an accessory device. Based on this detection, and indications of user presence, the device identifies antennas that are contributing to SAR emissions. A SAR mitigation algorithm is then applied. This application involves executing one or more control actions. These control actions are designed to reduce the potential for the device's RF emissions to exceed legal SAR limits. The mitigation is specifically targeted at the identified contributing antennas.
5. The computing device described in claim 1 , wherein application of the specific absorption rate (SAR) mitigation algorithm comprises applying one or more control actions to boost or maintain performance for antennas identified as being non-contributors to SAR emissions based on the ascertained user presence indications and the detected arrangement of the accessory device.
This invention relates to computing devices with wireless communication capabilities, specifically addressing the challenge of managing specific absorption rate (SAR) emissions while optimizing antenna performance. SAR emissions are a measure of the rate at which energy is absorbed by the human body when exposed to radiofrequency electromagnetic fields, and regulatory limits must be adhered to for safety. The problem arises when accessory devices, such as cases or covers, are attached to the computing device, potentially altering the electromagnetic environment and affecting SAR compliance. The invention involves a computing device that detects the presence and arrangement of an accessory device and determines which antennas contribute to SAR emissions based on user proximity. The device then applies a SAR mitigation algorithm that selectively boosts or maintains performance for antennas identified as non-contributors to SAR emissions. This selective approach ensures compliance with SAR limits while maximizing wireless performance for unaffected antennas. The algorithm dynamically adjusts control actions, such as power reduction or antenna selection, to optimize performance without compromising safety. This solution is particularly useful in portable devices where user proximity and accessory usage are variable factors.
6. The computing device described in claim 1 , wherein the mapping data structure is configured to indicate, for each particular antenna of the one or more antennas, control actions to take in relation to conditions including at least whether or not a user is present with respect to the particular antenna and the arrangement of the accessory device relative to the computing device.
This invention relates to computing devices with adaptive antenna control systems, particularly for managing wireless communication performance in the presence of user proximity and accessory device arrangements. The system addresses the problem of signal interference and performance degradation when a user or accessory device is near the antennas, which can disrupt wireless connectivity. The computing device includes one or more antennas and a mapping data structure that dynamically adjusts antenna control actions based on environmental conditions. The data structure specifies control actions for each antenna, considering whether a user is present nearby and the relative positioning of an attached accessory device. For example, if a user is detected near a specific antenna, the system may reduce transmission power or switch to an alternative antenna to avoid interference. Similarly, if an accessory device is positioned in a way that obstructs signal paths, the system adjusts antenna settings to maintain optimal performance. The mapping data structure acts as a lookup table, correlating detected conditions with predefined control actions. This allows the system to respond in real-time to changes in user proximity or accessory placement, ensuring reliable wireless communication. The invention improves signal quality and reduces connectivity issues in scenarios where traditional static antenna configurations would fail.
7. A method implemented by a computing device to control one or more antennas of the computing device configured to provide wireless communication functionality comprising: instantiating by the computing device a SAR mitigation algorithm that is dependent upon user presence indications and arrangement of an accessory device connectable to the computing device relative to the computing device; ascertaining indications of user presence with respect to the one or more antennas; detecting the arrangement of the accessory device relative to the computing device; and applying the SAR mitigation algorithm to control radio frequency transmissions for the one or more antennas of the computing device according the ascertained user presence indications and the detected arrangement of the accessory device including applying antenna control actions for the one or more antennas specified for the detected arrangement by a mapping data structure defined to associate antenna operational parameters with different accessory arrangements.
This invention relates to wireless communication systems, specifically methods for controlling antennas in computing devices to mitigate specific absorption rate (SAR) exposure. The problem addressed is ensuring safe radio frequency (RF) transmission levels while maintaining optimal wireless performance, particularly when user proximity and accessory device arrangements affect RF exposure. The method involves a computing device dynamically adjusting antenna operations based on user presence and accessory positioning. A SAR mitigation algorithm is instantiated, which relies on real-time detection of user proximity to antennas and the physical arrangement of connected accessories. The device ascertains user presence indications, such as proximity sensors or usage patterns, and detects accessory placement relative to the device, such as a connected case or dock. The algorithm then applies antenna control actions, including transmission power adjustments or antenna selection, based on predefined operational parameters mapped to specific accessory arrangements. This ensures compliance with SAR limits while optimizing wireless performance. The mapping data structure associates different accessory configurations with corresponding antenna settings, allowing adaptive control without manual intervention. The solution enhances safety and functionality in portable devices with modular accessories.
8. The method as described in claim 7 , further comprising: ascertaining the indications of user presence via one or more user presence detectors of the computing device; and detecting the arrangement of the accessory device relative to the computing device via one or more accessory detectors.
A system and method for enhancing user interaction with a computing device by dynamically adjusting functionality based on user presence and accessory device positioning. The technology addresses the challenge of optimizing device performance and user experience by automatically adapting to environmental and contextual factors. The method involves monitoring user presence through one or more sensors, such as cameras, microphones, or proximity detectors, to determine whether a user is actively engaged with the computing device. Additionally, the system detects the physical arrangement of an accessory device, such as a keyboard, display, or peripheral, relative to the computing device using sensors like accelerometers, gyroscopes, or optical detectors. By analyzing these inputs, the computing device can adjust its operational state, such as enabling or disabling features, modifying display settings, or activating power-saving modes, to improve efficiency and usability. The integration of user presence detection and accessory positioning ensures seamless adaptation to varying usage scenarios, enhancing both performance and user convenience.
9. The method as described in claim 7 , wherein detecting the arrangement comprises identifying a location of a connection for the accessory device and an orientation of the accessory device relative to the computing device.
This invention relates to methods for detecting and managing accessory device connections to computing devices, particularly focusing on determining the physical arrangement of the accessory device. The problem addressed is the need for accurate and reliable detection of how an accessory device is connected to a computing device, including its location and orientation, to ensure proper functionality and user experience. The method involves detecting the arrangement of an accessory device connected to a computing device by identifying the location of the connection point and the orientation of the accessory device relative to the computing device. This detection process may include analyzing electrical signals, mechanical interfaces, or other sensing mechanisms to determine the precise positioning and alignment of the accessory device. The method may also involve using predefined connection configurations or calibration data to interpret the detected arrangement. By accurately identifying the connection location and orientation, the computing device can adjust its operations, such as data transfer protocols, power delivery, or user interface adjustments, to optimize performance and compatibility. This ensures that the accessory device functions correctly regardless of how it is physically attached to the computing device. The method may be applied in various computing environments, including smartphones, tablets, laptops, and other electronic devices that support accessory connections.
10. The method as described in claim 7 , wherein applying the specific absorption rate (SAR) mitigation algorithm comprises applying one or more control actions to mitigate potential for exceeding legal SAR limits for antennas identified as being SAR emission contributors based on the ascertained user presence indications and the detected arrangement of the accessory device.
This invention relates to wireless communication devices, specifically methods for mitigating specific absorption rate (SAR) emissions in devices equipped with accessories. The problem addressed is ensuring compliance with legal SAR limits when accessories are attached, as these can alter antenna performance and increase radiation exposure. The method involves detecting the presence and arrangement of an accessory device relative to a wireless communication device. User presence is also ascertained to determine if the device is in use near the body. Based on these factors, antennas that may contribute to SAR emissions are identified. A SAR mitigation algorithm is then applied, which involves executing one or more control actions to reduce the risk of exceeding legal SAR limits. These control actions may include adjusting transmission power, modifying antenna selection, or altering signal modulation to minimize radiation exposure while maintaining communication performance. The approach dynamically adapts to different accessory configurations and user positions, ensuring regulatory compliance without requiring manual intervention. This is particularly useful in scenarios where accessories like cases, stands, or mounts alter the device's electromagnetic environment. The method enhances safety by proactively managing SAR emissions in real-world usage conditions.
11. The method as described in claim 7 , wherein applying of the specific absorption rate (SAR) mitigation algorithm comprises applying one or more control actions to boost or maintain performance for antennas identified as being non-contributors to SAR emissions based on the ascertained user presence indications and the detected arrangement of the accessory device.
This invention relates to wireless communication devices, specifically methods for mitigating specific absorption rate (SAR) emissions while optimizing antenna performance. The problem addressed is ensuring compliance with SAR safety limits without unnecessarily degrading wireless performance, particularly when an accessory device is attached to the device. The method involves detecting the presence and arrangement of a user and an accessory device, such as a case or cover, to determine which antennas contribute to SAR emissions. Based on this analysis, the method applies a SAR mitigation algorithm that selectively adjusts antenna performance. Antennas identified as non-contributors to SAR emissions are boosted or maintained at optimal performance levels, while those contributing to SAR emissions are adjusted to reduce exposure. The algorithm uses control actions like power adjustments, beamforming, or antenna selection to achieve this balance. The approach ensures SAR compliance while preserving wireless functionality, especially in scenarios where an accessory device may alter the device's electromagnetic environment.
12. The method as described in claim 7 , wherein the specific absorption rate (SAR) mitigation algorithm is configured to indicate, for each particular antenna of the one or more antennas, control actions to take in relation to conditions including at least whether or not a user is present with respect to the particular antenna and the arrangement of the accessory device relative to the computing device.
This invention relates to wireless communication systems, specifically methods for mitigating specific absorption rate (SAR) exposure in computing devices equipped with multiple antennas and accessory devices. The problem addressed is ensuring compliance with SAR regulations while maintaining optimal wireless performance, particularly when a user is in proximity to the device or when an accessory (such as a keyboard or case) affects antenna operation. The method involves a SAR mitigation algorithm that dynamically adjusts antenna control actions based on real-time conditions. For each antenna, the algorithm determines whether a user is present nearby and assesses the relative positioning of an attached accessory device. Depending on these factors, the algorithm triggers specific control actions, such as power reduction, antenna deactivation, or beamforming adjustments, to minimize SAR exposure while preserving communication quality. The system may use sensors or proximity detection to monitor user presence and accessory placement, ensuring adaptive and context-aware SAR management. This approach enhances safety and regulatory compliance without compromising wireless functionality.
13. The method as described in claim 7 , wherein applying the specific absorption rate (SAR) mitigation algorithm further comprises performing a look-up in the mapping data structure to identify the antenna control actions indicated for the one or more antennas with respect to the ascertained indications of user presence and the detected arrangement.
This invention relates to wireless communication systems, specifically to methods for mitigating specific absorption rate (SAR) exposure in devices with multiple antennas. The problem addressed is ensuring compliance with SAR limits while maintaining optimal communication performance, particularly when users interact with the device in various positions. The method involves detecting the physical arrangement of a device and determining user presence near one or more antennas. Based on these factors, a preconfigured mapping data structure is used to identify specific antenna control actions. These actions may include adjusting power levels, disabling certain antennas, or modifying beamforming parameters to reduce SAR exposure while preserving communication quality. The mapping data structure correlates different user presence scenarios and device arrangements with predefined control strategies, allowing real-time adjustments without requiring complex calculations. The approach ensures that SAR mitigation is dynamically tailored to the user's interaction with the device, improving safety and performance. The system avoids unnecessary power reductions when the user is not in proximity to critical antennas, maintaining efficient wireless operation. This method is particularly useful in smartphones, tablets, and other portable devices where user positioning varies frequently.
14. The method as described in claim 13 , wherein the mapping data structure is configured to associate antenna operational parameters and corresponding control actions with accessory device arrangements for multiple different accessory devices connectable to the computing device at different times via the interface.
A method for managing antenna performance in a computing device involves dynamically adjusting antenna operational parameters based on the presence and configuration of external accessory devices. The computing device includes an antenna system and an interface for connecting various accessory devices, such as displays, keyboards, or other peripherals. The method uses a mapping data structure that links specific antenna operational parameters (e.g., frequency, power, or beamforming settings) to corresponding control actions (e.g., tuning, switching, or disabling certain antenna elements) for different accessory device arrangements. This ensures optimal wireless communication performance by accounting for how different accessories may interfere with or enhance antenna functionality. The mapping data structure is preconfigured to handle multiple accessory devices that may be connected at different times, allowing the computing device to automatically adapt its antenna settings based on the detected accessory configuration. This approach mitigates signal degradation caused by accessory-induced interference or signal blocking, improving reliability in wireless communication.
15. A computing device to control one or more antennas of the computing device configured to provide wireless communication functionality comprising: a processing system; an interface to communicatively and physically couple different accessory devices to the computing device; multiple antennas to provide wireless communication functionality; one or more computer readable media comprising instructions that, when executed via the processing system, implement a specific absorption rate (SAR) mitigation algorithm configured to perform operations to control operations of the multiple antennas in dependence upon user presence indications and arrangement of an accessory device connectable to the computing device relative to the computing device comprising: ascertaining indications of user presence with respect to the one or more antennas; detecting the arrangement of the accessory device relative to the computing device; and identifying antenna control actions indicated for the one or more antennas with respect to the ascertained indications of user presence and the detected arrangement by referencing a mapping data structure configured to associate antenna operational parameters and corresponding control actions with accessory device arrangements for multiple different accessory devices.
This invention relates to computing devices with wireless communication capabilities, specifically addressing the challenge of managing specific absorption rate (SAR) compliance when accessories are connected. The system includes a processing system, an interface for coupling accessory devices, and multiple antennas for wireless communication. The device implements an SAR mitigation algorithm that dynamically adjusts antenna operations based on user presence and accessory arrangement. The algorithm detects user proximity to antennas and identifies the position and type of connected accessory. Using a predefined mapping data structure, it determines appropriate antenna control actions, such as power reduction or deactivation, to ensure SAR compliance while maintaining communication functionality. The mapping associates specific operational parameters and control actions with different accessory arrangements, allowing the system to adapt to various configurations. This approach ensures safe wireless operation by mitigating exposure risks when users are near antennas, particularly when accessories alter the device's electromagnetic environment. The solution is applicable to devices like laptops, tablets, or smartphones that support multiple accessories while requiring SAR compliance.
16. The computing device as described in claim 15 , further comprising: ascertaining the indications of user presence via one or more user presence detectors of the computing device; and detecting the arrangement of the accessory device relative to the computing device via one or more accessory detectors.
This invention relates to computing devices and addresses the problem of intelligently managing device states and functionalities based on user and accessory presence. The system involves a computing device equipped with one or more user presence detectors. These detectors are used to ascertain indications of user presence, meaning they determine if a user is actively interacting with or near the device. Additionally, the computing device includes one or more accessory detectors. These accessory detectors are responsible for detecting the arrangement of an accessory device relative to the computing device. This arrangement detection could involve determining proximity, orientation, or connection status of the accessory. The overall functionality, as described in the preceding claim (claim 15), likely involves using the ascertained user presence and the detected accessory arrangement to trigger specific actions or adjust the device's operational state. For example, the computing device might activate or deactivate certain features, adjust power consumption, or modify its user interface based on whether a user is present and how an accessory is positioned. This allows for a more seamless and context-aware user experience.
17. The computing device as described in claim 15 , wherein detecting the arrangement comprises identifying a location of a connection for the accessory device and an orientation of the accessory device relative to the computing device.
A computing device is configured to detect and analyze the physical arrangement of an accessory device connected to it. The system identifies the specific location of the connection point between the accessory device and the computing device, as well as the orientation of the accessory device relative to the computing device. This detection process involves determining the spatial relationship between the accessory device and the computing device, including how the accessory device is positioned or aligned when connected. The computing device may use this information to optimize performance, adjust settings, or enable specific functionalities based on the detected arrangement. The system may also support multiple accessory devices, each with distinct connection points and orientations, allowing for dynamic adaptation to different configurations. This capability enhances compatibility and usability by ensuring the computing device can accurately recognize and respond to the physical setup of connected accessories. The solution addresses challenges in automatically configuring devices based on their physical arrangement, improving efficiency and user experience.
18. The computing device as described in claim 15 , further comprising: applying one or more control actions that are identified to mitigate potential for exceeding legal SAR limits for antennas identified as being SAR emission contributors based on the ascertained user presence indications and the detected arrangement of the accessory device; and applying one or more control actions that are identified to boost or maintain performance for antennas identified as being non-contributors to SAR emissions based on the ascertained user presence indications and the detected arrangement of the accessory device.
A computing device dynamically manages antenna performance to comply with legal Specific Absorption Rate (SAR) limits while optimizing wireless communication. The device includes multiple antennas and detects the presence and position of a user and any attached accessory devices, such as cases or covers, that may affect antenna operation. Based on this detection, the device identifies which antennas are likely to emit radiation near the user (SAR contributors) and which are not (non-contributors). For antennas identified as SAR contributors, the device applies control actions to mitigate the risk of exceeding legal SAR limits, such as reducing transmission power or adjusting beamforming. For antennas identified as non-contributors, the device applies control actions to boost or maintain performance, such as increasing transmission power or optimizing signal routing. This selective management ensures compliance with safety regulations while maximizing wireless performance where possible. The system dynamically adapts to changes in user presence or accessory arrangement to continuously optimize antenna operation.
19. The computing device as described in claim 15 , wherein the specific absorption rate (SAR) mitigation algorithm is configured to indicate, for each particular antenna of the one or more antennas, control actions to take in relation to conditions including at least whether or not a user is present with respect to the particular antenna and the arrangement of the accessory device relative to the computing device.
A computing device includes a system for managing electromagnetic radiation exposure, particularly focusing on reducing specific absorption rate (SAR) levels. The device incorporates multiple antennas and an accessory device, such as a keyboard or cover, that may affect radiation patterns. The system uses a SAR mitigation algorithm to determine control actions for each antenna based on environmental conditions. These conditions include whether a user is present near the antenna and the relative positioning of the accessory device to the computing device. The algorithm adjusts antenna operation dynamically to minimize exposure while maintaining communication performance. The solution addresses the challenge of balancing safety and functionality in portable devices where accessories and user proximity can influence radiation exposure. The system ensures compliance with regulatory limits by adapting to real-time conditions, such as when a user is close to an antenna or when an accessory alters signal propagation. This approach enhances user safety without compromising device usability.
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January 16, 2018
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